Radar indicates a line of storms will sweep through the metro region in the next hour.
From the National Weather Service:
A LINE OF SHOWERS WITH ISOLATED THUNDERSTORMS WILL MOVE ACROSS THE BALTIMORE-WASHINGTON CORRIDOR THROUGH ABOUT 8 PM THIS EVENING. BRIEF GUSTY WINDS UP TO 35 MPH MAY BE POSSIBLE WITH THIS ACTIVITY. ANY THUNDERSTORM MAY ALSO PRODUCE PEA-SIZED HAIL.
See the PM Update for the more tranquil outlook for overnight into tomorrow...